Dyfyniad APA

Weigert, H. W. (1942). German geopolitics. London: Oxford University Press.

Dyfyniad Arddull Chicago

Weigert, Hans Werner. German Geopolitics. London: Oxford University Press, 1942.

Dyfyniad MLA

Weigert, Hans Werner. German Geopolitics. London: Oxford University Press, 1942.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.